Wcsjohn wrote:

> I think you're right - a little off-topic - I'll email you.


I think it's on topic. Feel free to discuss it in this group,
at your option of course.

I've had my nose in several microbiology books trying to find
the best way to do this myself, so I'd be interested.

--
Reg email: RegForte (at) (that free MS email service) (dot) com